PERFORM', L. per and formo, to make.

1. To do to execute to accomplish as, to perform two days' labor in one day to perform a noble deed or achievement.
2. To execute to discharge as, to perform a duty or office.
3. To fulfill as, to perform a covenant, promise or contract to perform a vow.

PERFORM', To do to act a part. The player performs well in different characters. The musician performs well on the organ.